Share-Based Payments - Summary of the status of the company's non-vested restricted shares (Details 2) - Restricted Share Awards $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2017 USD ($) $ / shares shares
Shares
Granted	48
Equity plan
Shares
Non-vested at March 31, 2016	82
Granted	48
Vested	(40)
Forfeited
Non-vested at March 31, 2017	90
Weighted Average Grant Date Fair Value
Non-vested at March 31, 2016 | $ / shares	$ 13.78
Granted | $ / shares	10.78
Vested | $ / shares	14.37
Forfeited | $ / shares
Non-vested at March 31, 2017 | $ / shares	$ 11.95
Weighted Average Remaining Contractual Term
Non-vested at March 31, 2017	1 year 9 months 29 days
Aggregate Intrinsic Value
Non-vested at March 31, 2017 | $	$ 952